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Demographic Analysis of Zip Code 50131: Increasing Racial Diversity in a White Majority Area
CATEGORY
Demographics
DATA
Population
Median Income
Racial Distributions
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Demographics
Population
Median Income
Racial Distributions
Zip code 50131 in Johnston, Iowa, is classified as a "White Majority" community with "Low Diversity" as of 2022. The area has a population of 23,930 and a median household income of $107,160, indicating an affluent suburban environment. The white population comprises 78% of the total, but there are indications of increasing diversity over the past decade.
The community has transitioned from low to moderate diversity since 2013. In 2013, the white population was 91%, but by 2022, there was a significant increase in minority populations, particularly in Black and Asian demographics. The data indicates a trend towards becoming a "Transitional Community." The percentage of Black residents increased from 0% in 2013 to 10% in 2022, while the Asian population grew from 5% to 6% in the same period.
There has been a steady increase in Hispanic residents (from 1% to 3%) and those identifying as two or more races (from 0% to 3%), further contributing to the area's growing diversity. The median household income has remained consistently high throughout the observed period, ranging from $103,685 in 2013 to $107,160 in 2022, with some fluctuations in between.
The population has grown significantly from 18,241 in 2013 to 23,930 in 2022, a 31% increase. This growth coincides with the increasing diversity, suggesting that the area is attracting a more diverse set of residents. Despite the increase in diversity, the median income has remained high, indicating that the new, more diverse residents are likely affluent professionals.
The rate of change in this zip code appears to be more rapid than the national average, especially in terms of the growth of the Black population. The consistent high median income suggests that this area might be part of a trend of "suburban diversity," where affluent suburbs are becoming more racially diverse while maintaining their economic status.
The population growth rate of 31% over a decade is significantly higher than the national average, which typically hovers around 7-8% per decade. This rapid growth, combined with increasing diversity and maintained affluence, suggests that Johnston might be part of a broader trend of suburban expansion and diversification seen in many growing metropolitan areas across the United States.
Zip code 50131 in Johnston, Iowa, remains a predominantly white, affluent area, but it is showing clear signs of transitioning towards greater diversity. This trend, coupled with sustained economic prosperity, indicates a dynamic suburban community that is evolving in line with broader national demographic shifts, but at an accelerated pace.
